Change Table
View Graphs
Growing Degree Day Data for Chatfield at South Platte Reservoir (CHT01)
Station: Chatfield at South Platte Reservoir
Location: 1.2 mi north of Chatfield Res
Lat: 39.57 °N Lon: -105.1 °E Elev: 5414 ft
Irrigation: dry First obs: Dec 4, 2019 14:00
Lat: 39.57 °N Lon: -105.1 °E Elev: 5414 ft
Irrigation: dry First obs: Dec 4, 2019 14:00
| Date | Accum. GDD °F | Daily GDD °F | Historical Avg °F |
|---|---|---|---|
| 04/01/2026 | 3.3 | 3.3 | 6.6 |
| 04/02/2026 | 14.6 | 11.2 | 14.4 |
| 04/03/2026 | 16.5 | 1.9 | 20.3 |
| 04/04/2026 | 23.0 | 6.5 | 29.5 |
| 04/05/2026 | 32.2 | 9.2 | 40.1 |
| 04/06/2026 | 41.8 | 9.6 | 45.7 |
| 04/07/2026 | 53.8 | 12.0 | 53.2 |
| 04/08/2026 | 65.3 | 11.6 | 62.2 |
| 04/09/2026 | 76.3 | 11.0 | 70.1 |
| 04/10/2026 | 82.3 | 6.0 | 78.3 |
| 04/11/2026 | 96.1 | 13.8 | 88.7 |
| 04/12/2026 | 109.1 | 13.0 | 102.1 |
| 04/13/2026 | 120.7 | 11.6 | 114.5 |
| 04/14/2026 | 124.7 | 4.0 | 120.7 |
| 04/15/2026 | 133.6 | 8.9 | 127.6 |
| 04/16/2026 | 147.4 | 13.8 | 136.7 |
| 04/17/2026 | 148.7 | 1.4 | 145.0 |
| 04/18/2026 | 152.7 | 4.0 | 151.3 |
| 04/19/2026 | 164.2 | 11.5 | 161.0 |
| 04/20/2026 | 178.7 | 14.5 | 171.0 |
| 04/21/2026 | 194.4 | 15.7 | 180.5 |
| 04/22/2026 | 211.7 | 17.3 | 191.6 |
| 04/23/2026 | 218.8 | 7.1 | 197.5 |
| 04/24/2026 | 231.2 | 12.4 | 205.5 |
| 04/25/2026 | 233.8 | 2.6 | 213.0 |
| 04/26/2026 | 236.1 | 2.2 | 222.0 |
| 04/27/2026 | 237.1 | 1.1 | 231.6 |
| 04/28/2026 | 240.8 | 3.7 | 238.6 |
| 04/29/2026 | 244.7 | 3.8 | 247.3 |
| 04/30/2026 | 244.7 | 258.9 | |
| 05/01/2026 | 250.8 | 6.1 | 269.5 |
| 05/02/2026 | 262.2 | 11.3 | 277.9 |
| 05/03/2026 | 273.8 | 11.6 | 289.3 |
| 05/04/2026 | 285.3 | 11.5 | 297.7 |
| 05/05/2026 | 285.3 | 307.2 | |
| 05/06/2026 | 285.3 | 316.6 | |
| 05/07/2026 | 294.0 | 8.7 | 326.6 |
| 05/08/2026 | 303.8 | 9.8 | 336.0 |
| 05/09/2026 | 317.2 | 13.3 | 345.8 |
| 05/10/2026 | 327.9 | 10.7 | 354.0 |
| 05/11/2026 | 345.7 | 17.8 | 366.3 |
| 05/12/2026 | 362.1 | 16.4 | 376.9 |
| 05/13/2026 | 380.2 | 18.1 | 390.7 |
| 05/14/2026 | 405.0 | 24.8 | 403.7 |
| 05/15/2026 | 423.1 | 18.1 | 414.6 |
| 05/16/2026 | 436.3 | 13.2 | 426.1 |
| 05/17/2026 | 444.9 | 8.6 | 439.0 |
| 05/18/2026 | 444.9 | 450.4 | |
| 05/19/2026 | 445.9 | 1.0 | 461.1 |
| 05/20/2026 | 448.7 | 2.8 | 472.8 |
| 05/21/2026 | 459.4 | 10.7 | 485.0 |
| 05/22/2026 | 467.3 | 7.9 | 495.4 |
| 05/23/2026 | 480.7 | 13.4 | 508.4 |
| 05/24/2026 | 496.6 | 15.9 | 517.8 |
| 05/25/2026 | 513.7 | 17.1 | 528.8 |
| 05/26/2026 | 530.0 | 16.3 | 541.9 |
| 05/27/2026 | 541.9 | 11.9 | 556.0 |
| 05/28/2026 | 557.7 | 15.8 | 570.5 |
| 05/29/2026 | 577.0 | 19.3 | 585.6 |
| 05/30/2026 | 589.9 | 12.9 | 598.3 |
| 05/31/2026 | 604.7 | 14.8 | 610.3 |
| 06/01/2026 | 620.5 | 15.7 | 624.2 |
| 06/02/2026 | 634.8 | 14.3 | 639.2 |
| 06/03/2026 | 650.0 | 15.2 | 652.3 |
| 06/04/2026 | 668.0 | 18.0 | 668.1 |
| 06/05/2026 | 689.3 | 21.3 | 685.8 |
| 06/06/2026 | 710.2 | 20.8 | 703.2 |
| 06/07/2026 | 735.7 | 25.5 | 722.7 |
| 06/08/2026 | 756.9 | 21.2 | 740.2 |
| 06/09/2026 | 776.1 | 19.2 | 757.5 |
| 06/10/2026 | 796.6 | 20.5 | 776.0 |
| 06/11/2026 | 812.4 | 15.8 | 793.1 |
| 06/12/2026 | 833.7 | 21.3 | 812.1 |
| 06/13/2026 | 850.1 | 16.4 | 830.6 |
| 06/14/2026 | 862.3 | 12.2 | 849.5 |
| 06/15/2026 | 877.9 | 15.6 | 867.9 |
| 06/16/2026 | 896.4 | 18.4 | 887.1 |
| 06/17/2026 | 919.4 | 23.0 | 907.0 |
| 06/18/2026 | 939.7 | 20.3 | 926.0 |
| 06/19/2026 | 960.5 | 20.8 | 945.9 |
| 06/20/2026 | 981.5 | 21.0 | 967.5 |
| 06/21/2026 | 1004.1 | 22.6 | 985.9 |
| 06/22/2026 | 1025.4 | 21.3 | 1005.3 |
| 06/23/2026 | 1045.0 | 19.6 | 1024.7 |
| 06/24/2026 | 1067.5 | 22.4 | 1045.8 |
| 06/25/2026 | 1085.0 | 17.5 | 1064.3 |
| 06/26/2026 | 1107.3 | 22.3 | 1082.9 |
| 06/27/2026 | 1134.7 | 27.4 | 1104.4 |
| 06/28/2026 | 1155.7 | 20.9 | 1124.6 |
| 06/29/2026 | 1176.3 | 20.6 | 1145.4 |
| 06/30/2026 | 1196.0 | 19.7 | 1165.1 |
| 07/01/2026 | 1215.3 | 19.4 | 1184.9 |
| 07/02/2026 | 1239.0 | 23.7 | 1206.3 |
| 07/03/2026 | 1258.6 | 19.5 | 1228.6 |
| 07/04/2026 | 1280.9 | 22.3 | 1250.4 |
| 07/05/2026 | 1269.9 | ||
| 07/06/2026 | 1291.9 | ||
| 07/07/2026 | 1312.9 | ||
| 07/08/2026 | 1334.1 | ||
| 07/09/2026 | 1356.3 | ||
| 07/10/2026 | 1379.4 | ||
| 07/11/2026 | 1401.4 | ||
| 07/12/2026 | 1424.3 | ||
| 07/13/2026 | 1447.5 | ||
| 07/14/2026 | 1470.1 | ||
| 07/15/2026 | 1492.1 | ||
| 07/16/2026 | 1514.6 | ||
| 07/17/2026 | 1537.4 | ||
| 07/18/2026 | 1561.4 | ||
| 07/19/2026 | 1585.6 | ||
| 07/20/2026 | 1608.1 | ||
| 07/21/2026 | 1629.4 | ||
| 07/22/2026 | 1651.6 | ||
| 07/23/2026 | 1675.4 | ||
| 07/24/2026 | 1698.2 | ||
| 07/25/2026 | 1722.2 | ||
| 07/26/2026 | 1745.6 | ||
| 07/27/2026 | 1768.0 | ||
| 07/28/2026 | 1790.6 | ||
| 07/29/2026 | 1813.3 | ||
| 07/30/2026 | 1834.5 | ||
| 07/31/2026 | 1856.8 | ||
| Date | Accum. GDD °F | Daily GDD °F | Historical Avg °F |